On 07/31/2015 09:37 AM, Christian Berendt wrote: > No. Only required Python packages are listed in the requirements.txt > file. Graphviz needs to be installed on the build system first. I documented Graphviz as a prerequisite of the firstapp doc in https://review.openstack.org/#/c/207765/. Christian. -- Christian Berendt Cloud Solution Architect Mail: berendt at b1-systems.de B1 Systems GmbH Osterfeldstraße 7 / 85088 Vohburg / http://www.b1-systems.de GF: Ralph Dehner / Unternehmenssitz: Vohburg / AG: Ingolstadt,HRB 3537